Aired: 1/5/2021
The brutal cop Volker caused the death of Soufiane Hamid, who fell from the balcony during a raid. Five years later, officer Volker dies in the same way as Soufiane, but it is suspected that someone apparently assisted Volker.
Aired: 1/12/2021
Martin Jesch kills police officer Gerry Engler with an axe, whose head is found in a park with a head full of blood. Engler had killed a young man with an iron five years ago.
Aired: 1/19/2021
Wilder and Kägi search for headmistress Patrizia Schellenberg, whom the serial criminal has chosen as the third victim. Patrizia allegedly let drug courier Lola Mbeki freeze to death.
Aired: 1/26/2021
Aeby says she met the supposed serial killer a few years ago. During this meeting, Aeby discussed the cases about Volker, Schellenberg and Engler with him.
Aired: 2/2/2021
Rosa Wilder drives with prosecutor Mettler to the place where another body has been found. Mettler gets anxious when forensic experts discover fingerprints.
Aired: 2/9/2021
Rosa, Kägi and Mettler go to Martin's house and find poor Max Zimmermann unconscious. However, Mettler notices Martin's footprints in the snow and follows them.
